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Psychosis in Parkinson’s disease

¹ Department of Medicine for Older People, Leicester General Hospital, University Hospitals of Leicester NHS Trust, Leicester, UK
² Hellesdon Hospital, Norwich, UK

Correspondence to:
Correspondence to:
Dr B R Thanvi
Department of Medicine for Older People, Leicester General Hospital, University Hospitals of Leicester NHS Trust, Gwendolen Road, Leicester LE5 4PW, UK; bthanvi{at}hotmail.com

Psychosis is common in Parkinson’s disease (PD), particularly in its later stages. The symptoms range from comparatively minor illusions, vivid dreams, and occasional, non-disturbing visual hallucinations to frank psychosis. The pathogenesis of psychosis in PD is not fully known. Management of psychosis in PD requires a multidisciplinary approach. Some of the newer atypical antipsychotics are effective against psychosis with no significant worsening of PD. Psychosis in PD is associated with poor quality of life for patients and the carers.

Abbreviations: PD, Parkinson’s disease; REM, rapid eye movement; AA, atypical antipsychotic

Keywords: Parkinson’s disease; psychosis